Supply of Socket Head Cap Screw M8 X 50 Mm, Is:2269-2006 Reaffirmed Year : 2021 , Din 912, Iso:476 2, Thread To Is:4218-1976, Material- High Grade Alloy Steel Finish Blackened & Coated With Rust Preventive Oil. Property Class 12.9 As Per Is:1367 Part-Iii. Make : Unbrako/Tvs/Lps Only. Warranty Period: 30 Month S After The Date Of Delivery